<template>
  <div class="list">
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片区域 -->
    <el-card>
      <!-- 添加分类按钮 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加分类</el-button>
        </el-col>
      </el-row>

      <!-- 表格 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" width="140px">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button size="mini" type="primary" icon="el-icon-edit"></el-button>
            <el-button size="mini" type="danger" icon="el-icon-delete" @click="removeById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[10, 12, 14, 16]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total" background>
    </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: 'list',
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10,
      },
      goodsList: [],
      total: 0,
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 获取goods 数据
    async getGoodsList() {
      const { data } = await this.$http.get('goods', { params: this.queryInfo })
      this.goodsList = data.data.goods
      this.total = data.data.total
    },
    // 监听页码改变的事件
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 监听每页数据条数改变的事件
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 删除事件
    async removeById(id) {
      const confirmRes = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      }).catch(err => err)
      if (confirmRes === 'confirm') {
        const { data } = await this.$http.delete(`goods/${id}`)
        if (data.meta.status === 200) {
          this.$message.success('删除成功')
          this.getGoodsList()
        }
      }
    },
    goAddPage() {
      this.$router.push('/goods/add')
    },
  },
}
</script>

<style lang="less" scoped>

</style>
